Red mud industrial waste, byproduct of aluminum production, recycled while decomposing refrigerants
https://phys.org/news/2024-07-decomposing-refrigerants-potent-greenhouse-gas.html
"99% efficient HFC-134a refrigerant decomposition... >200K tons high alkaline red mud produced annually. containing water/ soil polluting oxides of silicon, heavy metals... heating induces iron/ aluminum interact stably decomposing refrigerants at low temperatures, minimal pollutant generation... heated inducing interactions forming tricalcium aluminate and gehlenite composite, increasing reaction surface area strengthening binding,.. also forms calcium fluoride thin film surface, protecting catalyst"
Related:
Tamed molecules for more sustainable catalysts: Chemists succeed in synthesizing a spectacular gallium compound
https://phys.org/news/2024-09-molecules-sustainable-catalysts-chemists-succeed.html
Experimental membrane captures more than 99% of aluminum ions from waste
https://techxplore.com/news/2025-01-experimental-membrane-captures-aluminum-ions.html
Research yields eco-friendly way to separate, recycle refrigerants tied to climate crisis
https://www.eurekalert.org/news-releases/1073363
Bricks to be produced from recycled waste
https://www.fixradio.co.uk/fix-feed/construction-news/post/bricks-to-be-produced-from-recycled-waste/
Geopolymer technology turns recycled glass and construction waste into a durable and green construction material
https://techxplore.com/news/2025-05-geopolymer-technology-recycled-glass-durable.html
From waste to walls: How your morning coffee can supercharge sustainable construction
https://techxplore.com/news/2025-06-walls-morning-coffee-supercharge-sustainable.html
Comments
Post a Comment